39b7d36f78ad70c878581c1052fc6c1e0aab18312c9d8e229d9041494784f4b2

Analysis

max time kernel
23s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 19:59

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General

Target

RuntimeBroker.exe
Size

93KB
MD5

3785497fd4339e24258e3bd47b933c34
SHA1

8974341d2328f6561075ee16f4139fbfabdeb0f2
SHA256

39b7d36f78ad70c878581c1052fc6c1e0aab18312c9d8e229d9041494784f4b2
SHA512

17e0f9b78e9c8127109a396da564d589d89442f8dd268e11cc9317dad11eb80f345cde7568f6aea760c70b6f18ca08dc3df176b502ba0646e5c04b2936eee049
SSDEEP

1536:SUt8mGnrQr1EjOoYdsjEwzGi1dDtDagS:SUmnrQr1qr2i1dZf

Score

8^/10

defense_evasion discovery persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2884	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	RuntimeBroker.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	RuntimeBroker.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
2884	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe
2472	RuntimeBroker.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2472	RuntimeBroker.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2472	RuntimeBroker.exe
Token: 33	2472	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2472	RuntimeBroker.exe
Token: 33	2472	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2472	RuntimeBroker.exe
Token: 33	2472	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2472	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2884	2472	RuntimeBroker.exe	31
PID 2472 wrote to memory of 2884	2472	RuntimeBroker.exe	31
PID 2472 wrote to memory of 2884	2472	RuntimeBroker.exe	31
PID 2472 wrote to memory of 2884	2472	RuntimeBroker.exe	31

C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - System Time Discovery
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Time Discovery

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2472-2-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2472-1-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2472-0-0x0000000074461000-0x0000000074462000-memory.dmp

Filesize
4KB

Download
memory/2472-5-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2472-6-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download